The following has been set up due to a recent influx in adding categories, many of which were not complying to the past standard. If you wish to add a category, please follow the below guidelines until an official policy is created. The page is currently still under construction

This article or section is incomplete.Please improve the article, or discuss the issue on the talk page.

The following categories are added to automatically by templates, and should not in any circumstances be manually added to an article. It is extremely important not to add the categories listed in bold to an article, and continually doing so after a warning may result in a block.

A category of the theme (or subtheme) the set is in. This should be the lowest level theme the category is involved in, the one which is the most specified. For example, Space Police III sets should be categorized into Category:Space Police III sets, but notCategory:Space